.main {
  display: inline-block;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  text-align: center;
}
.btn {
  display: inline-block;
  margin: 10px;
  padding: 5px;
}
.clear {
  clear: both;
}
.block {
  display: inline-block;
  width: 1200px;
}
.block .block-header {
  display: inline-block;
  width: 100%;
  padding: 10px;
}
.block-header .title {
  color: #000000;
  font-size: 16px;
  font-weight: bold;
}
.block-header .tools {
  float: right;
  display: inline-block;
}
.block-body {
  display: inline-block;
  width: 100%;
  box-shadow: 0 0 1px 1px rgba(0, 0, 0, .1);
}
.block-body:hover {
  box-shadow: 0 0 2px 2px rgba(0, 0, 0, .1);
}
.form {
  display: inline-block;
  width: 100%;
  padding: 10px;
  text-align: left;
}
.form-item {
  display: block;
  width: 200px;
  margin: 10px 0;
}
.chart-instance {
  display: inline-block;
  text-align: left;
  margin: 0 auto;
  width: 1200px;
  height: 600px;
  padding: 10px 0;
  border-top: 1px solid #cdcdcd;
  border-bottom: 1px solid #cdcdcd;
}
